Bug#793814: I just ran into this on debian testing

[James Bottomley]

Package: systemd
Version: 225-1

My fatal symptoms are that Postfix SASL stops working with

Sep 17 07:11:11 bedivere postfix/smtpd[20955]: warning: unknown[x.x.x.x]: SASL PLAIN authentication failed: Connection lost to authentication server

Which is really annoying because it requires fixing by restarting
systemd-logind on the server and then restarting evolution on the
client.

I also get the delayed login problem until systemd-logind is restarted,
but that's minor compared to the postfix failure, which triggers
complaints from my users.

James